Finding the Fourth Proportional to 14,066.70, 19,412.01 and 7,779.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,066.70 : 19,412.01 = 7,779.12 : x
2. Step 2: Convert to fraction form
   14,066.70/19,412.01 = 7,779.12/x
3. Step 3: Cross multiply
   14,066.70x = 19,412.01 × 7,779.12
4. Step 4: Simplify right side
   14,066.70x = 151,008,355.23
5. Step 5: Solve for x
   x = 151,008,355.23/14,066.70
6. Step 6: Final answer
   x = 10,735.17